Preserve prior StatusBar contents when adding removing fields

(consistant with MSW behaviour).

Made m_statusSring a wxArrayString, furthur simplification may
be possible if someone is interested and has the time.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15988 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/statusbr.h

@@ -96,7 +96,7 @@ public:
   void OnSysColourChanged(wxSysColourChangedEvent& event);
 
 protected:
-  wxString *        m_statusStrings;
+  wxArrayString     m_statusStrings;
   int               m_borderX;
   int               m_borderY;
   wxFont            m_defaultStatusBarFont;
@@ -110,3 +110,5 @@ private:
 
 #endif
     // _WX_GENERIC_STATUSBR_H_
+
+// vi:sts=4:sw=4:et